VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VICIdial Contact Center Suite
The most affordable CRM system according to Capterra
Web based system for Computer Assisted Telephone Interviewing (CATI)
Unified Communications Server
Cellular manager for mobile phones/modems
Project about FusionPBX on Live Medium
High performance, production quality STUN server and client library
Multi user address book application accessable through the web.
SIP softphone
H.323 Gatekeeper for VoIP and videconferencing